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How do I change the anode rod in my Whirlpool water heater?

FAQs william November 3, 2022

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Can I replace anode rod myself?

You can replace the anode, but it’s not easy. Most tanks are somewhere without enough headroom to easily remove the old bar or put in a new one. To begin the process, turn off the power (or gas) to the heater, shut off the water supply, and turn on a hot water faucet to relieve the pressure in the unit.

How do you know if you need a new anode rod?

This is how you can tell if your anode rod is defective. Smelly or discolored hot water is the biggest sign that something is wrong with your anode bar. If your anode rod is completely corroded, it will no longer be able to protect the lining of your water heater. Your anode bar goes bad about every five years.

How do you know your anode rod is bad?

A bad anode rod can cause discolored water, a rotten egg smell, air in the lines, and intermittent hot water. The anode rod protects the tank of electric water heaters & Signs it should be replaced are rotten egg smell, no heat & strange noises.

Do I have to drain water heater to change anode rod?

It is recommended to allow the tank water to cool slightly before removing the anode rod. Water will not drain from the tank until the drain valve is opened and a hot water valve is opened. For faster results, turn on the hot water tap closest to the heater.

What does the anode rod look like?

It is recommended to allow the tank water to cool slightly before removing the anode rod. Water will not drain from the tank until the drain valve is opened and a hot water valve is opened. For faster results, turn on the hot water tap closest to the heater.

How many anode rods are in a water heater?

All water heaters have at least one anode rod. Some water heaters have longer warranties because they have two anode bars. With two anode bars, this is because one is attached to the top of a hex head and the other is attached to the hot water outlet as a combo anode.

What happens if you don’t replace anode rod?

Replacing the anode rod in a water heater before it fails can slow corrosion inside the tank and significantly increase, sometimes even double, the life of the water heater.

How long will a water heater last without an anode rod?

The lifespan of water heaters without anode rods is approximately: 5-8 years. Actual service life depends on water hardness, water heater type and quality, timing of anode rod disassembly, and water temperature. In extreme cases, the water heater can only last 3-5 years without an anode rod.

How much does it cost to replace anode rod in water heater?

An anode stick costs about $50. Some homeowners may feel comfortable replacing it themselves. If not, call a professional plumber who can help. The cost of a professional exchange can be about $250 or $300.

What size socket do I need to remove an anode rod from a water heater?

4 Use a ratchet wrench and a 1 1/16 inch deep socket to unscrew the anode rod from the heater.

How often should you change anode rod in water heater?

As a general rule, anode bars need to be replaced about every 4-5 years. However, this may vary depending on how much water is going through your gas water heater or electric water heater.

Can an anode rod be cleaned and reused?

You can’t clean your anode rod in your water heater . However, it is important to inspect the sacrificial anode rod every 1 to 3 years and replace it after more than 50% of its wear to avoid corrosion of your tank.

How often should you check anode rod in water heater?

Most water heater manufacturers recommend checking the condition of the sacrificial anode every one (1) to three (3) years and replacing it when more than 50% depleted. This is especially true if you have hard water or use a water softener.

How do you unstick an anode rod?

Most water heater manufacturers recommend checking the condition of the sacrificial anode every one (1) to three (3) years and replacing it when more than 50% depleted. This is especially true if you have hard water or use a water softener.

How do you check if an anode is working?

Most water heater manufacturers recommend checking the condition of the sacrificial anode every one (1) to three (3) years and replacing it when more than 50% depleted. This is especially true if you have hard water or use a water softener.

Do all hot water tanks have anode rod?

Gas water heaters are not exempt from anode bars, depending on the heat source. If the gas unit has a tank, an anode rod is required. The exception is a gas water heater with a stainless steel tank; This is corrosion resistant and does not require an anode. Instantaneous water heaters also do not require anode rods.

Should you use Teflon tape on anode rod?

Teflon tape is safe to use on anode rods to create a watertight seal, in fact some manufacturers recommend it. It should not significantly affect the electrical contact between the rod and the tank.

References:

  1. https://www.youtube.com/watch?v=pxODVsgHRfc
  2. https://www.plumbingsupply.com/how-to-change-a-water-heater-anode.html
  3. https://www.popularmechanics.com/home/how-to/a1146/4206690/
  4. https://www.mrrooter.com/about/blog/2020/august/water-heater-troubleshooting-guide-how-to-tell-i/
  5. https://www.duncanplumbingsolutions.com/anode-the-life-of-water-heater
  6. https://www.waterheaterhub.com/water-heater-anode-rod-replacement/
  7. https://www.youtube.com/watch?v=mX2YSkOPAGM
  8. https://phplumbingheating.com/how-long-will-your-water-heater-last-your-anode-rods-will-tell-us/
  9. https://www.familyhandyman.com/project/extend-the-life-of-your-water-heater-by-replacing-the-anode-rod/
  10. https://hvac-buzz.com/how-long-water-heater-last-without-anode-rod/
  11. https://www.cartersmyplumber.com/water-heater-repair-cost/
  12. https://www.thisoldhouse.com/plumbing/21017262/how-to-change-a-water-heater-anode-rod
  13. https://www.gandcplumbing.com/post/water-heater-anode-rod-replacement-how-often-should-i-replace-the-anode-rod
  14. https://www.corroprotec.com/blog/ufaqs/can-you-clean-an-anode-rod/
  15. https://www.hydrosolution.com/en/guide-and-tips/the-sacrificial-anode-what-is-it-and-when-should-you-replace-it/
  16. https://www.youtube.com/watch?v=VuvFLBTY6gc
  17. https://www.youtube.com/watch?v=GM7vus7pktI
  18. https://hvac-buzz.com/gas-water-heaters-anode-rods/
  19. https://hvac-buzz.com/teflon-tape-anode-rod/

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